2018-06-02-碧蓝航线一周年

活动入口 https://www.bilibili.com/blackboard/activity-1year.html
以下为各个分辨率的封面图
(缺少4种分辨率，目前官方未放出，无法获取)
320x480
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375x647
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480x640
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480x728
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480x800
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480x854
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600x976
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640x960
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640x1136
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720x1184
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720x1208
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720x1280
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768x976
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768x1024
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800x1216
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800x1232
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800x1280
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1080x1776
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1080x1920
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1152x1920
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1440x2560
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1536x2048
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1536x2560
https://i0.hdslb.com/bfs/sycp/tmaterial/201805/0ec474d2d30d9b0cfc9d14b43e1ae9ef.jpg
1600x2560
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2048x2732
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